<template>
	<div class="CityList" ref='wrapper'>
		<div>
			<div class="area">
				<div class="title border-topbottom" >当前城市</div>
				<div class="button-list">
					<div class="button-wrapper">
						<div class="button">{{this.newCity}}</div>
					</div>
				</div>
			</div>
			<div class="area">
				<div class="title border-topbottom" >热门城市</div>
				<div class="button-list">
					<div class="button-wrapper" v-for='item of hotCities' :key='item.id' @click='handleCityClick(item.name)'>
						<div class="button">{{item.name}}</div>
					</div>
				</div>
			</div>
			<div class="area" v-for='(item, key) in cities' :key='key' :ref='key'>
				<div class="title border-topbottom">{{key}}</div>
				<div class="item-list">
					<div class="item border-bottom" v-for='city in item' :key='city.id' @click='handleCityClick(city.name)'>{{city.name}}</div>
				</div>
			</div>
		</div>	
	</div>
</template>

<script>
import { mapState, mapMutations }	from 'vuex'
import BScroll from 'better-scroll'	
export default {	
	name: 'CityList',
	props: {
		hotCities: Array,
		cities: Object,
		getAlphabetData: String
	},
	mounted () {
		this.scroll = new BScroll(this.$refs.wrapper)
	},
	watch: {
		getAlphabetData () {
			const element = this.$refs[this.getAlphabetData][0]
			this.scroll.scrollToElement(element)
		}
	},
	methods: {
		handleCityClick (city) {
			// this.$store.dispatch('changeCity', city)
			// this.$store.commit('changeCity', city)
			this.changeCity(city)
			this.$router.push('/')
		},
		...mapMutations(['changeCity'])
	},
	computed: {
		...mapState({
			newCity: 'city'
		})
	}
}	
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
	.CityList
		overflow: hidden
		position: absolute
		top: 1.58rem
		right: 0
		left: 0
		bottom: 0
		.border-topbottom
			&:before
				border-color: #ccc
			&:after
				border-color: #ccc		
		.title
			line-height: .54rem
			background: #eee
			padding-left: .2rem
			color: #666
			font-size: .26rem
		.button-list
			overflow: hidden
			padding: .1rem .6rem .1rem .1rem	
			.button-wrapper
				float: left
				width: 33.33%
				.button
					margin: .1rem
					text-align: center
					border: .02rem solid #ccc
					padding: .1rem 0
					border-radius: .06rem
		.border-bottom
			&:after
				border-color: #ccc		
		.item-list
			.item
				line-height: .76rem
				padding-left: .2rem			
</style>